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Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam 1Z0-898
Exam Number/Code : 1Z0-898
Exam Name : Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam
One year free update
Once failed,100% refund
Questions and Answers : 63Q&As
Update Time : 2014-1-2
Price : $99.00

Free 1Z0-898 Demo Download
1.Entity lifecycle callback methods may be defined in which three classes.? (Choose three)
A.Embedded classes
B.Entity classes
C.Abstract classes
D.Entity listener classes
E.Mapped superclasses
F.Concrete non-entity superclasses
Answer: B,D,E

2.A developer wrote an entity class with the following method:
Private static Logger logger = Logger.getLogger ( ° myLogge¡±)
@PrePersist @PreUpdate Public void doA () { ( ° ¡±); } @Pos t Persist @Pos t Update Publ ic voi
doB () { ( ° ¡±);
What will the log message contain when an application does the following?
Begins a transaction
Creates the entity
Persists the entity
Commits the transaction
Begins the entity data
Modifies the entity data
Merges the entity
Commits the second transaction
D.The application will throw an exception because multiple lifecycle callback annotations applied to a
single method.
Answer: B